Ionic liquids

Ionic liquids

Ionic liquids or low-temperature molten salts represent a new class of solvents for a cleaner chemistry. Their low melting point, often below room temperature, offers significant energy savings. And unlike other solvents, they are infinitely recyclable.

Ionic liquids (also called room temperature molten salts or ionic solvents) are a new class of solvents offering interesting opportunities as a reaction medium for cleaner chemistry. Ionic liquids are salts comprising organic cations (for example imidazolium or pyridinium salts), complexed with inorganic or organic anions (such as, for example Cl-, Br-, AlCl4-, PF6- et BF4-, NO3-, (CF3SO2)2N-, etc.) which are liquid around room temperature.

General properties, based on an innovative technology, ionic liquids are:

  • Non volatile
  • non-flammable
  • Stable at high temperature (up to 200°C / 392°F or 400°C / 752°F depending on the product) and Chemical (water and oxygen)
  • Hydrophobic or Hydrophilic
  • Good conductors (electrolytes)
  • Broad electrochemical range

The physico chemical properties of ionic liquids depend on the type and the size of the two ions forming them. For example, ionic liquids containing chloride, bromide or trifluoroacetate anions are highly water soluble (hydrophilic). Conversely, when they are associated with an anion such as hexafluorophosphate or bis(trifluoromethanesulfonyl)imide, water solubility is very limited (hydrophobic), forming two liquid phases.

Advantages

  • Safer for the environment and for users (non flammable and non volatile)
  • Process optimization: better selectivity and higher yield
  • Immobilization of the catalyst or biocatalyst in ionic liquids
  • Tunable physico-chemical properties, thanks to facile cation or anion exchange and/or chemical functionalization
  • Very good solvent for a wide range of compounds: organic and inorganic materials, transition metals, enzymes, cellulose, polymers, … etc.
  • Recyclable without performance loss.
1-(4-Sulfobutyl)-3-methylimidazolium Hydrogen sulfate

1-(4-Sulfobutyl)-3-methylimidazolium Hydrogen sulfate

Brute formula
C8H16O7S2N2
CAS
827320-59-2
Molar mass
316.35
Purity
Specifications
1-(4-Sulfobutyl)-3-methylimidazolium...

1-(4-Sulfobutyl)-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide

Brute formula
C10H15F6O7S3N3
CAS
909390-59-6
Molar mass
499.43
Purity
Specifications
1-(4-Sulfobutyl)-3-methylimidazolium...

1-(4-Sulfobutyl)-3-methylimidazolium Trifluoromethanesulfonate

Brute formula
C9H15F3O6S2N2
Molar mass
368.35
Purity
Specifications
1-Methyl-1-(2-methoxyethyl)pyrrolidinium...

1-Methyl-1-(2-methoxyethyl)pyrrolidinium Bis(fluorosulfonyl)imide

Brute formula
C8H18N2S2O5F2
CAS
1235234-47-5
Molar mass
324.36
Purity
Specifications
1-Methyl-1-(2-methoxyethyl)Pyrrolidinium...

1-Methyl-1-(2-methoxyethyl)pyrrolidinium Bis(trifluoromethanesulfonyl)imide

Brute formula
C8H18NO - N(CF3SO2)2
CAS
[757240-24-7]
Molar mass
424.38
Purity
Specifications
1-Butyl-3-methylimidazolium Iodide

1-Butyl-3-methylimidazolium Iodide

Brute formula
C8H15IN2
CAS
[65039-05-6]
Molar mass
266.12
Purity
Specifications
N-Butyl-N-methylpyrrolidinium Bis(oxalato)borate

N-Butyl-N-methylpyrrolidinium Bis(oxalato)borate

Brute formula
C13H20NBO8
Molar mass
329.11
Purity
Specifications
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1-Butyl-1-methylpyrrolidinium Dicyanamide

1-Butyl-1-methylpyrrolidinium Dicyanamide

Brute formula
C11H20N4
CAS
[370865-80-8]
Molar mass
208.3
Purity
Specifications